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What is the probability of getting 3 white balls?

What is the probability of getting 3 white balls?

The sample space for drawing 3 balls is {WWW,BBB,RRR,WBB,WRR,RBB,RWW,BRR,BWW}. So required probability is 1/9. But answer given is 1/56.

What is the probability of drawing a white ball from a bag containing 3 black balls?

So, probability will be 3/7.

What is the probability of drawing a white ball from a bag containing 3 black balls and 4 white balls?

4/7
Two balls are drawn one by one at random without replacement. The probability that the second drawn ball is white. Therefore, the probability that the second drawn ball is white = (2/7) + (2/7) = 4/7.

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What is the probability of getting red or white ball?

Therefore the probability of getting a red ball or a white ball is 4/5.

What is the probability of drawing a white ball?

The probability of selecting a white ball from the first bag and a black ball from the second bag is (4/6)(5/8) = 10/24. The probability of selecting a black ball from the first bag and a white ball from the second bag is (2/6)(3/8) = 3/24.

What is the probability of getting red?

Answer: The probability of getting a red face card in a deck of 52 cards is 3/26. Let’s know about a deck of cards.

What is the probability of getting 2 white balls?

Number of ways of picking up a second white ball are 4/7. Thus probability of picking up 2 white balls P(WW) = 5/8 * 4/7 = 20/56.

When three coins are tossed what is the probability of getting 3 tails?

1/8
Answer: The probability of flipping a coin three times and getting 3 tails is 1/8.

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What is the probability of getting a total 7 or 11 when a pair of dice are tossed?

So, P(sum of 7 or 11) = 2/9.

What is the probability of black face card?

card that is a black face card is drawn. There are 6 black face cards, so the probability is 6/52 = 3/26.

What is the probability of getting 2 black balls?

Total, there are 10 balls, and we’re choosing 2. Then the probability of choosing 2 black balls simultaneously is 5C2⋅5C010C2=10⋅145=29.

How many balls are there in each bag?

There are 2 bags – Bag 1 (4 white & 2 black balls) and Bag 2 (3 white and 3 black balls). One ball is drawn from each bag and it is required to find the probability that the balls are of different colours.

What is the probability of drawing a white ball in blackjack?

The first bag has 4 white and 2 black, the probability of a white ball is 4/6 or 2/3. In the second bag the probability of drawing out a white ball is 3/8 as their are 3 white and 5 red balls.

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What is the probability of getting two of the same color?

Look at this problem from the reverse, what is the probability of getting two of the same color, as the only possible combination for this would be white and white. The first bag has 4 white and 2 black, the probability of a white ball is 4/6 or 2/3.